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LTC2921IGN датащи(PDF) 20 Page - Linear Technology |
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LTC2921IGN датащи(HTML) 20 Page - Linear Technology |
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20 / 20 page ![]() LTC2921/LTC2922 Series 20 29212fa Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 q FAX: (408) 434-0507 q www.linear.com ©LINEAR TECHNOLOGY CORPORATION 2003 LT/TP 0404 1K REV A • PRINTED IN USA RELATED PARTS TYPICAL APPLICATIO PART NUMBER DESCRIPTION COMMENTS LTC2900 Programmable Quad Supply Monitor Adjustable RESET Timer, 10-Lead MSOP Package LTC2901 Programmable Quad Supply Monitor with Watchdog Adjustable RESET Timer and Watchdog Timer, Individual Comparator Outputs LTC2902 Programmable Quad Supply Monitor Adjustable RESET Timer, Selectable Tolerance, RESET Disable for Margining. LTC4211 Hot Swap Controller with Multifunction Current Control Operates from 2.5V to 16.5V, 10-Lead MSOP Package LTC4230 Triple Hot Swap Controller with Multifunction Current Control Operates from 1.7V to 16.5V, Supply Tracking Early-Late Supply Sequencer with Early Supplies LED Indicator 2921/22 TA03 RG2 10 Ω LTC2922 VCC SENSE RA4 49.9k 1% RA3 49.9k 1% RB4 162k 1% RB3 232k 1% VOUT VFB VOUT VFB VOUT VFB RG3 10 Ω RG4 10 Ω V1 V2 V3 V4 S0 S1 S2 S3 S4 GATE PG D0 D1 D2 D3 D4 GND TIMER QRST Si1012R CBRST 1.8V ± 5% 3.3V ± 10% 2.5V ± 10% Q2 Si2316DS Q3 Si2316DS Q4 Si2316DS RSENSE WSL1206 0.05 Ω, 1% CTIMER 0.22 µF 10V 1.8V EARLY 1.5A MAX 3.3V LATE 2.5V LATE CGATE 0.47 µF 25V CD2 0.1 µF 25V CD3 0.1 µF 25V CD4 0.1 µF 25V CBYP 10 µF 25V DC/DC CONVERTER DC/DC CONVERTER DC/DC CONVERTER VOUT VFB VOUT VFB RG0 10 Ω RG1 10 Ω 5V ± 10% 2.5V ± 5% Q0 Si2316DS Q1 Si2316DS 5V EARLY 0.8A MAX 2.5V EARLY 1.5A MAX CD0 0.1 µF 25V CD1 0.1 µF 25V DC/DC CONVERTER DC/DC CONVERTER RA2 49.9k 1% RB2 113k 1% RA1 49.9k 1% RB1 169k 1% RX0 100 Ω RX1 100 Ω RX2 100 Ω R1 100k CPG 0.22 µF 25V 19 18 17 16 20 14 12 10 8 2 15 7 9 11 1 6 5 4 3 13 CIRCUIT BREAKER RESET CONTROL PG PIN AS SEQUENCED GATE DRIVER EARLY VOLTAGES ON R6 330 Ω tGATE ~ 500ms tPG ~ 600ms |
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